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                <time datetime="2019-05-23T22:05:49.000Z" itemprop="datePublished" class="page-time">
  2019-05-23
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            <ol class="post-toc"><li class="post-toc-item post-toc-level-2"><a class="post-toc-link" href="#学习笔记-SSM整合"><span class="post-toc-number">1.</span> <span class="post-toc-text">学习笔记 : SSM整合</span></a><ol class="post-toc-child"><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#整合环境搭建"><span class="post-toc-number">1.1.</span> <span class="post-toc-text">整合环境搭建</span></a></li><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#编写配置文件"><span class="post-toc-number">1.2.</span> <span class="post-toc-text">编写配置文件</span></a></li><li class="post-toc-item post-toc-level-3"><a class="post-toc-link" href="#整合应用测试"><span class="post-toc-number">1.3.</span> <span class="post-toc-text">整合应用测试</span></a></li></ol></li></ol>
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        <h1 class="post-card-title">SSM框架整合</h1>
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            <time class="post-time" title="2019-05-23 22:05:49" datetime="2019-05-23T22:05:49.000Z"  itemprop="datePublished">2019-05-23</time>

            


            

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            <h2 id="学习笔记-SSM整合"><a href="#学习笔记-SSM整合" class="headerlink" title="学习笔记 : SSM整合"></a>学习笔记 : SSM整合</h2><h3 id="整合环境搭建"><a href="#整合环境搭建" class="headerlink" title="整合环境搭建"></a>整合环境搭建</h3><p><em>简介 : 由于Spring MVC是Spring框架中的一个模块,所以Spring MVC与Spring之间不存在整合问题,因此SSM整合主要只涉及Spring与MyBatis的整合.下面通过客户id查询数据表中指定的客户信息的简单案例来演示SSM整合思路 ~</em></p>
<h3 id="编写配置文件"><a href="#编写配置文件" class="headerlink" title="编写配置文件"></a>编写配置文件</h3><ol>
<li><p><em>db.properties : 数据库配置文件</em></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br></pre></td><td class="code"><pre><span class="line">#</span><br><span class="line">#database configuration information</span><br><span class="line">#</span><br><span class="line">jdbc.driver=com.mysql.cj.jdbc.Driver</span><br><span class="line">jdbc.url=jdbc:mysql:xxxxxx?useSSL=false&amp;serverTimezone=UTC&amp;allowPublicKeyRetrieval=true</span><br><span class="line">jdbc.username=xxxxxx</span><br><span class="line">jdbc.password=xxxxxx</span><br><span class="line">#</span><br><span class="line">#DBCP configuration</span><br><span class="line">#</span><br><span class="line">jdbc.maxTotal=30    #最大连接数</span><br><span class="line">jdbc.maxIdle=10     #最大空闲连接数</span><br><span class="line">jdbc.initialSize=5  #初始化连接数</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>applicationContext.xml : Spring核心配置文件</em></p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">&lt;?xml version="1.0" encoding="UTF-8"?&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">beans</span> <span class="attr">xmlns</span>=<span class="string">"http://www.springframework.org/schema/beans"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xmlns:xsi</span>=<span class="string">"http://www.w3.org/2001/XMLSchema-instance"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xmlns:aop</span>=<span class="string">"http://www.springframework.org/schema/aop"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xmlns:tx</span>=<span class="string">"http://www.springframework.org/schema/tx"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xmlns:context</span>=<span class="string">"http://www.springframework.org/schema/context"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xsi:schemaLocation</span>=<span class="string">"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd</span></span></span><br><span class="line"><span class="tag"><span class="string">		http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd</span></span></span><br><span class="line"><span class="tag"><span class="string">		http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd</span></span></span><br><span class="line"><span class="tag"><span class="string">		http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd"</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="comment">&lt;!-- 读取db.properties --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">context:property-placeholder</span> <span class="attr">location</span>=<span class="string">"classpath:db.properties"</span>/&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- 配置数据源 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">bean</span> <span class="attr">id</span>=<span class="string">"dataSource"</span> <span class="attr">class</span>=<span class="string">"org.apache.commons.dbcp2.BasicDataSource"</span>&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 数据库驱动 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"driverClassName"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.driver&#125;"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 连接数据库的url --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"url"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.url&#125;"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 连接数据库的用户名 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"username"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.username&#125;"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 连接数据库的密码 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"password"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.password&#125;"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 最大连接数 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"maxTotal"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.maxTotal&#125;"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 最大空闲数 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"maxIdle"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.maxIdle&#125;"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 初始化连接数 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"initialSize"</span> <span class="attr">value</span>=<span class="string">"$&#123;jdbc.initialSize&#125;"</span>/&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">bean</span>&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- 事务管理器,依赖于数据源 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">bean</span> <span class="attr">id</span>=<span class="string">"transactionManager"</span> <span class="attr">class</span>=<span class="string">"org.springframework.jdbc.datasource.DataSourceTransactionManager"</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"dataSource"</span> <span class="attr">ref</span>=<span class="string">"dataSource"</span>/&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">bean</span>&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- 开启事务注解 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">tx:annotation-driven</span> <span class="attr">transaction-manager</span>=<span class="string">"transactionManager"</span>/&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- 配置MyBatis工厂: 构建SqlSessionFactory --&gt;</span></span><br><span class="line">	<span class="comment">&lt;!-- 指定数据源和配置文件: 使得Spring IOC容器在初始化id为sqlSessionFactory的Bean时解析MyBatis的配置文件,并与数据源一同保存到Spring的Bean中 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">bean</span> <span class="attr">id</span>=<span class="string">"sqlSessionFactory"</span> <span class="attr">class</span>=<span class="string">"org.mybatis.spring.SqlSessionFactoryBean"</span>&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 注入数据源 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"dataSource"</span> <span class="attr">ref</span>=<span class="string">"dataSource"</span>/&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 指定MyBatis核心配置文件位置 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"configLocation"</span> <span class="attr">value</span>=<span class="string">"classpath:mybatis-config.xml"</span>/&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">bean</span>&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- 配置mapper扫描器 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">bean</span> <span class="attr">class</span>=<span class="string">"org.mybatis.spring.mapper.MapperScannerConfigurer"</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">property</span> <span class="attr">name</span>=<span class="string">"basePackage"</span> <span class="attr">value</span>=<span class="string">"pers.huangyuhui.ssm.dao"</span>/&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">bean</span>&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- 扫描Service --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">context:component-scan</span> <span class="attr">base-package</span>=<span class="string">"pers.huangyuhui.ssm.service"</span>/&gt;</span></span><br><span class="line">	</span><br><span class="line"><span class="tag">&lt;/<span class="name">beans</span>&gt;</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>mybatis-config.xml : MyBatis核心配置文件</em></p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">&lt;?xml version="1.0" encoding="UTF-8"?&gt;</span></span><br><span class="line"><span class="meta">&lt;!DOCTYPE <span class="meta-keyword">configuration</span> <span class="meta-keyword">PUBLIC</span> <span class="meta-string">"-//mybatis.org//DTD Config 3.0//EN"</span> <span class="meta-string">"http://mybatis.org/dtd/mybatis-3-config.dtd"</span>&gt;</span></span><br><span class="line"></span><br><span class="line"><span class="tag">&lt;<span class="name">configuration</span>&gt;</span></span><br><span class="line">	<span class="comment">&lt;!-- 配置别名 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">typeAliases</span>&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 通过扫描包的形式定义别名: mybatis会将所有该包中的POJO类以首字母小写的非限定类名来作为它的别名 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">package</span> <span class="attr">name</span>=<span class="string">"pers.huangyuhui.ssm.po"</span> /&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">typeAliases</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="comment">&lt;!-- 配置Mapper --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">mappers</span>&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 使用Mapper接口动态代理开发时,如果完全遵循了编写规范,那么该配置文件中无需以下映射文件 --&gt;</span></span><br><span class="line">        <span class="comment">&lt;!-- &lt;mapper resource="pers/huangyuhui/ssm/dao/CustomerDao.xml"/&gt; --&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">mappers</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">configuration</span>&gt;</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>web.xml</em></p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">&lt;?xml version="1.0" encoding="UTF-8"?&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">web-app</span> <span class="attr">xmlns:xsi</span>=<span class="string">"http://www.w3.org/2001/XMLSchema-instance"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xmlns</span>=<span class="string">"http://xmlns.jcp.org/xml/ns/javaee"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">xsi:schemaLocation</span>=<span class="string">"http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"</span></span></span><br><span class="line"><span class="tag">	<span class="attr">id</span>=<span class="string">"WebApp_ID"</span> <span class="attr">version</span>=<span class="string">"4.0"</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="tag">&lt;<span class="name">display-name</span>&gt;</span>ssm_01<span class="tag">&lt;/<span class="name">display-name</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">welcome-file-list</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">welcome-file</span>&gt;</span>index.jsp<span class="tag">&lt;/<span class="name">welcome-file</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">welcome-file-list</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="comment">&lt;!-- 配置加载Spring文件的监听器 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">context-param</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-name</span>&gt;</span>contextConfigLocation<span class="tag">&lt;/<span class="name">param-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-value</span>&gt;</span>classpath:applicationContext.xml<span class="tag">&lt;/<span class="name">param-value</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">context-param</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">listener</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">listener-class</span>&gt;</span>org.springframework.web.context.ContextLoaderListener<span class="tag">&lt;/<span class="name">listener-class</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">listener</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="comment">&lt;!-- 编码过滤器 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">filter</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">filter-name</span>&gt;</span>encoding<span class="tag">&lt;/<span class="name">filter-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">filter-class</span>&gt;</span>org.springframework.web.filter.CharacterEncodingFilter<span class="tag">&lt;/<span class="name">filter-class</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">init-param</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">param-name</span>&gt;</span>encoding<span class="tag">&lt;/<span class="name">param-name</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">param-value</span>&gt;</span>UTF-8<span class="tag">&lt;/<span class="name">param-value</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;/<span class="name">init-param</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">filter</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">filter-mapping</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">filter-name</span>&gt;</span>encoding<span class="tag">&lt;/<span class="name">filter-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">url-pattern</span>&gt;</span>*.action<span class="tag">&lt;/<span class="name">url-pattern</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">filter-mapping</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="comment">&lt;!-- 配置Spring MVC前端核心过滤器 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">servlet</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">servlet-name</span>&gt;</span>spring_mvc<span class="tag">&lt;/<span class="name">servlet-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">servlet-class</span>&gt;</span>org.springframework.web.servlet.DispatcherServlet<span class="tag">&lt;/<span class="name">servlet-class</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">init-param</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">param-name</span>&gt;</span>contextConfigLocation<span class="tag">&lt;/<span class="name">param-name</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">param-value</span>&gt;</span>classpath:springmvc-config.xml<span class="tag">&lt;/<span class="name">param-value</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;/<span class="name">init-param</span>&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 配置服务器启动后立即加载Spring MVC配置文件 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">load-on-startup</span>&gt;</span>1<span class="tag">&lt;/<span class="name">load-on-startup</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">servlet</span>&gt;</span></span><br><span class="line"></span><br><span class="line">	<span class="tag">&lt;<span class="name">servlet-mapping</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">servlet-name</span>&gt;</span>spring_mvc<span class="tag">&lt;/<span class="name">servlet-name</span>&gt;</span></span><br><span class="line">		<span class="comment">&lt;!-- 拦截除了jsp外的所有请求 --&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">url-pattern</span>&gt;</span>/<span class="tag">&lt;/<span class="name">url-pattern</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">servlet-mapping</span>&gt;</span></span><br><span class="line">	</span><br><span class="line">	<span class="comment">&lt;!-- </span></span><br><span class="line"><span class="comment">	Spring-context.jar包中提供了通过JMX来实时查看Spring放在applicationContext里的bean列表功能,</span></span><br><span class="line"><span class="comment">	其会在项目配置文件里找一个叫`spring.liveBeansView.mbeanDomain`的环境变量,如果没找到,</span></span><br><span class="line"><span class="comment">	就会抛出异常:[spring.liveBeansView.mbeanDomain] threw NamingException ...</span></span><br><span class="line"><span class="comment">	解决方案: 在项目中的web.xml中添加如下配置</span></span><br><span class="line"><span class="comment">	--&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">context-param</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-name</span>&gt;</span>spring.profiles.active<span class="tag">&lt;/<span class="name">param-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-value</span>&gt;</span>dev<span class="tag">&lt;/<span class="name">param-value</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">context-param</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">context-param</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-name</span>&gt;</span>spring.profiles.default<span class="tag">&lt;/<span class="name">param-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-value</span>&gt;</span>dev<span class="tag">&lt;/<span class="name">param-value</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">context-param</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">context-param</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-name</span>&gt;</span>spring.liveBeansView.mbeanDomain<span class="tag">&lt;/<span class="name">param-name</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">param-value</span>&gt;</span>dev<span class="tag">&lt;/<span class="name">param-value</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">context-param</span>&gt;</span></span><br><span class="line"></span><br><span class="line"><span class="tag">&lt;/<span class="name">web-app</span>&gt;</span></span><br></pre></td></tr></table></figure>
</li>
</ol>
<h3 id="整合应用测试"><a href="#整合应用测试" class="headerlink" title="整合应用测试"></a>整合应用测试</h3><p><em>上述已经了SSM框架整合环境的搭建工作,接下来开始整合开发工作 ~</em></p>
<ol>
<li><p><em>t_customer.sql : 客户信息表</em></p>
<figure class="highlight sql"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">create</span> <span class="keyword">table</span> t_customer (</span><br><span class="line"></span><br><span class="line">	<span class="keyword">id</span> <span class="built_in">INT</span>(<span class="number">20</span>) PRIMARY <span class="keyword">KEY</span> AUTO_INCREMENT,</span><br><span class="line">	<span class="keyword">name</span> <span class="built_in">VARCHAR</span>(<span class="number">10</span>) <span class="keyword">NOT</span> <span class="literal">NULL</span>,</span><br><span class="line">	job <span class="built_in">VARCHAR</span>(<span class="number">10</span>) <span class="keyword">NOT</span> <span class="literal">NULL</span>,</span><br><span class="line">	phone <span class="built_in">VARCHAR</span>(<span class="number">12</span>) <span class="keyword">NOT</span> <span class="literal">NULL</span></span><br><span class="line">	</span><br><span class="line">)</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>Customer.java : 持久化类</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.ssm.po;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@ClassName</span>: Customer</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@Description</span>: 客户信息</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: HuangYuhui</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: May 25, 2019 11:07:37 AM</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">Customer</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">	<span class="keyword">private</span> Integer id;</span><br><span class="line">	<span class="keyword">private</span> String name;</span><br><span class="line">	<span class="keyword">private</span> String job;</span><br><span class="line">	<span class="keyword">private</span> String phone;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> Integer <span class="title">getId</span><span class="params">()</span> </span>&#123;</span><br><span class="line">		<span class="keyword">return</span> id;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">setId</span><span class="params">(Integer id)</span> </span>&#123;</span><br><span class="line">		<span class="keyword">this</span>.id = id;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> String <span class="title">getName</span><span class="params">()</span> </span>&#123;</span><br><span class="line">		<span class="keyword">return</span> name;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">setName</span><span class="params">(String name)</span> </span>&#123;</span><br><span class="line">		<span class="keyword">this</span>.name = name;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> String <span class="title">getJob</span><span class="params">()</span> </span>&#123;</span><br><span class="line">		<span class="keyword">return</span> job;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">setJob</span><span class="params">(String job)</span> </span>&#123;</span><br><span class="line">		<span class="keyword">this</span>.job = job;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> String <span class="title">getPhone</span><span class="params">()</span> </span>&#123;</span><br><span class="line">		<span class="keyword">return</span> phone;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="function"><span class="keyword">public</span> <span class="keyword">void</span> <span class="title">setPhone</span><span class="params">(String phone)</span> </span>&#123;</span><br><span class="line">		<span class="keyword">this</span>.phone = phone;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">	<span class="meta">@Override</span></span><br><span class="line">	<span class="function"><span class="keyword">public</span> String <span class="title">toString</span><span class="params">()</span> </span>&#123;</span><br><span class="line">		<span class="keyword">return</span> <span class="string">"Customer [id="</span> + id + <span class="string">", name="</span> + name + <span class="string">", job="</span> + job + <span class="string">", phone="</span> + phone + <span class="string">"]"</span>;</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>CustomerDao.java : Dao层</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.ssm.dao;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.po.Customer;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@ClassName</span>: CustomerDao</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@Description</span>: TODO</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: HuangYuhui</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: May 25, 2019 11:09:22 AM</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">interface</span> <span class="title">CustomerDao</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">	<span class="comment">/**</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@Title</span>: findCustomerById</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@Description</span>: 根据客户id查找客户信息</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@param</span>: id</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@return</span>: Customer</span></span><br><span class="line"><span class="comment">	 */</span></span><br><span class="line">	<span class="function"><span class="keyword">public</span> Customer <span class="title">findCustomerById</span><span class="params">(Integer id)</span></span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>CustomerDao.xml : 接口对应的映射文件</em></p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br></pre></td><td class="code"><pre><span class="line"><span class="meta">&lt;?xml version="1.0" encoding="UTF-8"?&gt;</span></span><br><span class="line"><span class="meta">&lt;!DOCTYPE <span class="meta-keyword">mapper</span> <span class="meta-keyword">PUBLIC</span> <span class="meta-string">"-//mybatis.org//DTD Mapper 3.0//EN"</span> <span class="meta-string">"http://mybatis.org/dtd/mybatis-3-mapper.dtd"</span>&gt;</span></span><br><span class="line"></span><br><span class="line"><span class="tag">&lt;<span class="name">mapper</span> <span class="attr">namespace</span>=<span class="string">"pers.huangyuhui.ssm.dao.CustomerDao"</span>&gt;</span></span><br><span class="line">	<span class="comment">&lt;!-- 根据客户id查找客户信息 --&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">select</span> <span class="attr">id</span>=<span class="string">"findCustomerById"</span> <span class="attr">parameterType</span>=<span class="string">"Integer"</span> <span class="attr">resultType</span>=<span class="string">"customer"</span>&gt;</span></span><br><span class="line">		select id,name,job,phone from t_customer where id = #&#123;id&#125;</span><br><span class="line">	<span class="tag">&lt;/<span class="name">select</span>&gt;</span></span><br><span class="line"></span><br><span class="line"><span class="tag">&lt;/<span class="name">mapper</span>&gt;</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>CustomerService.java : Service层</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.ssm.service;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.po.Customer;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@ClassName</span>: CustomerService</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@Description</span>: TODO</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: HuangYuhui</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: May 25, 2019 11:15:26 AM</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">interface</span> <span class="title">CustomerService</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">	<span class="comment">/**</span></span><br><span class="line"><span class="comment">	 * </span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@Title</span>: findCustomerById</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@Description</span>: 通过id查找客户信息</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@param</span>: id</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@return</span>: Customer</span></span><br><span class="line"><span class="comment">	 */</span></span><br><span class="line">	<span class="function"><span class="keyword">public</span> Customer <span class="title">findCustomerById</span><span class="params">(Integer id)</span></span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>CustomerServiceImpl.java : CustomerService的实现类</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.ssm.service.impl;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line"><span class="keyword">import</span> org.springframework.stereotype.Service;</span><br><span class="line"><span class="keyword">import</span> org.springframework.transaction.annotation.Transactional;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.dao.CustomerDao;</span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.po.Customer;</span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.service.CustomerService;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@ClassName</span>: CustomerServiceImpl</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@Description</span>: CustomerService的实现类</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: HuangYuhui</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: May 25, 2019 11:17:12 AM</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"></span><br><span class="line"><span class="meta">@Service</span> <span class="comment">// 标识为业务层的实现类</span></span><br><span class="line"><span class="meta">@Transactional</span> <span class="comment">// 将类中所有方法都纳入Spring的事物管理</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">CustomerServiceImpl</span> <span class="keyword">implements</span> <span class="title">CustomerService</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">	<span class="meta">@Autowired</span> <span class="comment">// 将CustomerDao接口对象注入到本类</span></span><br><span class="line">	<span class="keyword">private</span> CustomerDao customerDao;</span><br><span class="line"></span><br><span class="line">	<span class="meta">@Override</span></span><br><span class="line">	<span class="comment">// 查询客户信息</span></span><br><span class="line">	<span class="function"><span class="keyword">public</span> Customer <span class="title">findCustomerById</span><span class="params">(Integer id)</span> </span>&#123;</span><br><span class="line">		<span class="keyword">return</span> <span class="keyword">this</span>.customerDao.findCustomerById(id);</span><br><span class="line">	&#125;</span><br><span class="line"></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>CustomerController.java : 控制器</em></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">package</span> pers.huangyuhui.ssm.controller;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> org.springframework.beans.factory.annotation.Autowired;</span><br><span class="line"><span class="keyword">import</span> org.springframework.stereotype.Controller;</span><br><span class="line"><span class="keyword">import</span> org.springframework.ui.Model;</span><br><span class="line"><span class="keyword">import</span> org.springframework.web.bind.annotation.RequestMapping;</span><br><span class="line"></span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.po.Customer;</span><br><span class="line"><span class="keyword">import</span> pers.huangyuhui.ssm.service.CustomerService;</span><br><span class="line"></span><br><span class="line"><span class="comment">/**</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@ClassName</span>: CustomerController</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@Description</span>: 用于处理页面请求的控制器</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@author</span>: HuangYuhui</span></span><br><span class="line"><span class="comment"> * <span class="doctag">@date</span>: May 25, 2019 11:21:39 AM</span></span><br><span class="line"><span class="comment"> *</span></span><br><span class="line"><span class="comment"> */</span></span><br><span class="line"></span><br><span class="line"><span class="meta">@Controller</span> <span class="comment">// 标识为控制器</span></span><br><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">CustomerController</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">	<span class="meta">@Autowired</span> <span class="comment">// 将CustomerService接口对象注入到本类</span></span><br><span class="line">	<span class="keyword">private</span> CustomerService customerService;</span><br><span class="line"></span><br><span class="line">	<span class="comment">/**</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@Title</span>: findCustomerById</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@Description</span>: 通过id查询客户信息</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@param</span>: id</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@param</span>: model</span></span><br><span class="line"><span class="comment">	 * <span class="doctag">@return</span>: String</span></span><br><span class="line"><span class="comment">	 */</span></span><br><span class="line">	<span class="meta">@RequestMapping</span>(<span class="string">"/findCustomerById"</span>)</span><br><span class="line">	<span class="function"><span class="keyword">public</span> String <span class="title">findCustomerById</span><span class="params">(Integer id, Model model)</span> </span>&#123;</span><br><span class="line">		Customer customer = customerService.findCustomerById(id);</span><br><span class="line">		model.addAttribute(<span class="string">"customer"</span>, customer);</span><br><span class="line"></span><br><span class="line">		<span class="comment">// 返回客户信息展示页面</span></span><br><span class="line">		<span class="keyword">return</span> <span class="string">"customerInfo"</span>;</span><br><span class="line">	&#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>WebContent/WEB-INF/<code>view/customerInfo.jsp</code> : 展示客户信息页面</em></p>
<figure class="highlight html"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line"><span class="tag">&lt;<span class="name">%@</span> <span class="attr">page</span> <span class="attr">language</span>=<span class="string">"java"</span> <span class="attr">contentType</span>=<span class="string">"text/html; charset=UTF-8"</span> <span class="attr">pageEncoding</span>=<span class="string">"UTF-8"</span>%&gt;</span></span><br><span class="line"><span class="meta">&lt;!DOCTYPE <span class="meta-keyword">html</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">html</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">head</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">meta</span> <span class="attr">charset</span>=<span class="string">"UTF-8"</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">title</span>&gt;</span>SSM整合案例<span class="tag">&lt;/<span class="name">title</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">head</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;<span class="name">body</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">h2</span> <span class="attr">align</span>=<span class="string">"center"</span>&gt;</span>客户信息<span class="tag">&lt;/<span class="name">h2</span>&gt;</span><span class="tag">&lt;<span class="name">hr</span>/&gt;</span></span><br><span class="line">	<span class="tag">&lt;<span class="name">table</span> <span class="attr">align</span>=<span class="string">"center"</span> <span class="attr">border</span>=<span class="string">"1"</span> &gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">tr</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>编号<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>姓名<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>职业<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>电话<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;/<span class="name">tr</span>&gt;</span></span><br><span class="line">		<span class="tag">&lt;<span class="name">tr</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>$&#123;customer.id &#125;<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>$&#123;customer.name &#125;<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>$&#123;customer.job &#125;<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">			<span class="tag">&lt;<span class="name">td</span>&gt;</span>$&#123;customer.phone &#125;<span class="tag">&lt;/<span class="name">td</span>&gt;</span></span><br><span class="line">	<span class="tag">&lt;/<span class="name">table</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">body</span>&gt;</span></span><br><span class="line"><span class="tag">&lt;/<span class="name">html</span>&gt;</span></span><br></pre></td></tr></table></figure>
</li>
<li><p><em>log4j.properties : 日志文件</em></p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br></pre></td><td class="code"><pre><span class="line">#Global configuration</span><br><span class="line">log4j.rootLogger=DEBUG,stdout</span><br><span class="line">#Log configuration</span><br><span class="line">log4j.logger.pers.huangyuhui.ssm.controller=TRACE</span><br><span class="line">#Console configuration</span><br><span class="line">log4j.appender.stdout=org.apache.log4j.ConsoleAppender</span><br><span class="line">log4j.appender.stdout.layout=org.apache.log4j.PatternLayout</span><br><span class="line">log4j.appender.stdout.layout.layout.ConversionPattern=%5p [%t] - %m%n</span><br></pre></td></tr></table></figure>
</li>
<li><p><em>将项目发布到Tomcat并启动,在浏览器中访问地址: <code>http://localhost:8080/ssm_01/findCustomerById?id=1</code>,其页面显示效果如下图所示.</em></p>
</li>
</ol>
<p><img src="/2019/05/23/SSM框架整合/SSM整合案例.PNG" alt=" "><br><em>由图可知,通过浏览器成功查出了<code>t_customer</code>表中id为1的客户信息.继而证明<code>SSM</code>框架整合成功!ヾ(◍°∇°◍)ﾉﾞ</em></p>
<ol start="10">
<li><em>Console输出的主要日志信息如下 :</em><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br></pre></td><td class="code"><pre><span class="line">DispatcherServlet with name &apos;spring_mvc&apos; processing GET request for [/ssm_01/findCustomerById]</span><br><span class="line"></span><br><span class="line">Looking up handler method for path /findCustomerById</span><br><span class="line"></span><br><span class="line">Returning handler method [public java.lang.String pers.huangyuhui.ssm.controller.CustomerController.findCustomerById(java.lang.Integer,org.springframework.ui.Model)]</span><br><span class="line"></span><br><span class="line">Returning cached instance of singleton bean &apos;customerController&apos;</span><br><span class="line"></span><br><span class="line">Last-Modified value for [/ssm_01/findCustomerById] is: -1</span><br><span class="line"></span><br><span class="line">Creating new transaction with name [pers.huangyuhui.ssm.service.impl.CustomerServiceImpl.findCustomerById]: PROPAGATION_REQUIRED,ISOLATION_DEFAULT; &apos;&apos;</span><br><span class="line"></span><br><span class="line">Acquired Connection [636338281, URL=jdbc:mysql://LOCALHOST/mybatis_spring?useSSL=false&amp;serverTimezone=UTC&amp;allowPublicKeyRetrieval=true, UserName=root@localhost, MySQL Connector/J] for JDBC transaction</span><br><span class="line"></span><br><span class="line">Switching JDBC Connection [636338281, URL=jdbc:mysql://LOCALHOST/mybatis_spring?useSSL=false&amp;serverTimezone=UTC&amp;allowPublicKeyRetrieval=true, UserName=root@localhost, MySQL Connector/J] to manual commit</span><br><span class="line"></span><br><span class="line">Creating a new SqlSession</span><br><span class="line"></span><br><span class="line">Registering transaction synchronization for SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61b17833]</span><br><span class="line"></span><br><span class="line">JDBC Connection [636338281, URL=jdbc:mysql://LOCALHOST/mybatis_spring?useSSL=false&amp;serverTimezone=UTC&amp;allowPublicKeyRetrieval=true, UserName=root@localhost, MySQL Connector/J] will be managed by Spring</span><br><span class="line"></span><br><span class="line">==&gt;  Preparing: select id,name,job,phone from t_customer where id = ? </span><br><span class="line">==&gt; Parameters: 2(Integer)</span><br><span class="line">&lt;==      Total: 1</span><br><span class="line"></span><br><span class="line">Releasing transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61b17833]</span><br><span class="line"></span><br><span class="line">Transaction synchronization committing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61b17833]</span><br><span class="line">Transaction synchronization deregistering SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61b17833]</span><br><span class="line">Transaction synchronization closing SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@61b17833]</span><br><span class="line"></span><br><span class="line">Initiating transaction commit</span><br><span class="line"></span><br><span class="line">Committing JDBC transaction on Connection [636338281, URL=jdbc:mysql://LOCALHOST/mybatis_spring?useSSL=false&amp;serverTimezone=UTC&amp;allowPublicKeyRetrieval=true, UserName=root@localhost, MySQL Connector/J]</span><br><span class="line"></span><br><span class="line">Releasing JDBC Connection [636338281, URL=jdbc:mysql://LOCALHOST/mybatis_spring?useSSL=false&amp;serverTimezone=UTC&amp;allowPublicKeyRetrieval=true, UserName=root@localhost, MySQL Connector/J] after transaction</span><br><span class="line"></span><br><span class="line">Returning JDBC Connection to DataSource</span><br><span class="line"></span><br><span class="line">Invoking afterPropertiesSet() on bean with name &apos;customerInfo&apos;</span><br><span class="line"></span><br><span class="line">Rendering view [org.springframework.web.servlet.view.InternalResourceView: name &apos;customerInfo&apos;; URL [/WEB-INF/view/customerInfo.jsp]] in DispatcherServlet with name &apos;spring_mvc&apos;</span><br><span class="line"></span><br><span class="line">Added model object &apos;customer&apos; of type [pers.huangyuhui.ssm.po.Customer] to request in view with name &apos;customerInfo&apos;</span><br><span class="line"></span><br><span class="line">Added model object &apos;org.springframework.validation.BindingResult.customer&apos; of type [org.springframework.validation.BeanPropertyBindingResult] to request in view with name &apos;customerInfo&apos;</span><br><span class="line"></span><br><span class="line">Forwarding to resource [/WEB-INF/view/customerInfo.jsp] in InternalResourceView &apos;customerInfo&apos;</span><br><span class="line"></span><br><span class="line">Successfully completed request</span><br></pre></td></tr></table></figure></li>
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